Answer to Question #3970 in Calculus for dhiman

Question #3970
Can I get help to solve this question: Find all the values of & x in the int(0,2pi) & for the equation sinx = -cosx
Expert's answer
sinx = -cos x
tan x = -1
x = 3/4 π + π n, n = 0,1
I.e.
x1 = 3/4 π
x2 = 7/4 π

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